California police officers are investigating the death of a 46-year-old man found shot to death in his truck on the 210 Foothill Freeway. A call came in around 12:30 a.m. Wednesday morning and responding officers found the wounded man inside his white pickup truck who was believed to be alone in the truck at the time of death, but no motive for the shooting has been discovered yet, officials say. Developments to this story are made as investigations are under way. Check back for updates.